Most Common Last Names, 2010

Although Smith remains the most common surname in America, seven Hispanic names rank in the top 30 most common surnames in the nation. In
addition, the latest Census Bureau data found that the number of Hispanics living in the U.S. increased 43% from 2000 to 2010.

The surname Lee also made the top 25—ranked
number 22 in the country—indicating a continuing rise in the Asian American
population.